The SV17e model will be introduced to the European market first.
Yanmar CE, headquartered in Japan, has launched its first electric mini excavator prototype called SV17e. "This innovation represents an important strategic step in the transformation of Yanmar's compact equipment," the company said.
"Our goal with our distributor partners is to build stronger relationships and create greater customer value," said Giuliano Parodi, CEO of Yanmar CE. "Our transformation will cover our entire business and will include new products using alternative fuel technology. The SV17e prototype clearly demonstrates our intention to build a sustainable business for our customers and dealer partners."
The company stated that the SV17e is a small excavator, initially aimed at customers in the European market and competing in the 1.5 to 2.0 metric tons field. Yanmar CE is powered by an electric drive and a 48-volt battery, describing it as "a quiet, zero-emission machine designed to meet the most stringent emission restrictions."
"Our prototype is important because it demonstrates our ability to bring the quality and reliability of the highly regarded traditional engine technology into the electrification field," commented Cedric Durand, Director of Product Management. "As always, the operator is the core of this machine, and we continue to challenge ourselves to provide comfort, power, control and precision, which we believe will exceed the expectations of professional operators."
In preparation for the Bauma 2022 event to be held in Germany in October next year, the prototype SV17e is currently undergoing a product test program. "These rigorous field tests have no compromise on their thoroughness to ensure an uncompromising level of durability and reliability in design and engineering," Yanmar CE said.
Yanmar CE Engineering Director Sota Takami said: "We are very satisfied with the performance so far-as you would expect, we have a rigorous testing program [this] pushes every aspect of the machine to its limit." We are particularly satisfied with the power and control of the machine," he continued. "Of course, this is a quiet, zero-emission machine, but that is not enough by itself. We have to create a great feeling for the operator. I believe professional operators will feel very comfortable on this machine, and they are sure They will feel the power, control, and precision they need when taking on large and small jobs."
You can view the video preview of the new model via this YouTube link.
CDI must prepare for each unit while considering its 345-foot hub height and predicted wind speed and direction.
From August 25th to 27th, Controlled Demolition Inc. (CDI) in Phoenix, Maryland, imploded 21 wind turbines at a wind farm in Midwest Texas.
According to CDI, Central Surplus acted as the general contractor and main demolition contractor for the work.
Central Surplus initially contacted CDI in July 2021 to help them quickly cut down the 3 MW turbines that are being decommissioned and decommissioned.
Upon receipt of the notification, CDI immediately began to manufacture special explosives required to match the thickness and radius of the shells of these units. Once the wind farm owner powers off the units and completely removes the oil pollution, CDI mobilizes to the site and cooperates with Central Surplus to prepare each unit, taking into account its 345-foot hub height and predicted wind speed and direction.
According to the company, its logging team quickly "utilized favorable wind directions to cut down specific units of the entire wind farm."
CDI arranged and monitored a week of preparations, and then mobilized its explosives team to blow up all 21 units within 2 days.
After the successful implosion, Central Surplus was tasked with removing the debris from the collapsed structure while trying to recover as much material as possible in order to return the site to the wind farm owner.
Watch the implosion video below, provided by CDI:
Mobile shears played a key role in the decommissioning of a large coal-fired power plant in Crystal River, Florida.
Faced with stricter environmental regulations, low market prices, and people's recognition that climate change has become a reality, energy companies are increasingly abandoning coal in favor of alternative energy sources such as wind, solar, and natural gas. As major coal-fired power plants in the United States and the world continue to retire at an ever faster rate, this huge change has brought good news to demolition professionals.
Duke Energy’s coal-fired power plant in Crystal River, Florida in the 1960s was one such plant. NorthStar Contracting Group Inc., headquartered in New York, is using a combination of traditional and innovative technologies-including a pair of powerful mobile scissors-to handle the spectacular materials on site and keep the project going. NorthStar is also the majority shareholder of Accelerated Decommissioning Partners, which is decommissioning the Crystal River Nuclear Power Plant, which was decommissioned in 2013.
Owned by the utility giant Duke Energy, today's Crystal River plant pales in comparison to its past, which once relied on four coal-fired power plants and a nuclear facility to provide a total of 1,775 megawatts of electricity each year to Florida and beyond. Today, its coal power generation has been reduced by nearly 1 GW, and its 860 MW nuclear component was decommissioned in 2013. To help offset the loss of coal and nuclear power, the Citrus Combined Cycle Station was opened in 2018. The natural gas power plant provides 1,640 megawatts of electricity. Due to the use of cleaner energy sources, the power plant will reduce sulfur dioxide and nitrogen oxide emissions by 90% compared to the coal-fired power plant it replaces.
The main force of that era, the coal-fired power plants of Unit 1 and Unit 2 at the site went online in 1966 and 1969, respectively, and operated until 2018. In 2019, NorthStar began a one-year asbestos emission reduction, followed by the implosion of the boiler room preparing for work. In June 2020, Controlled Demolition Inc., headquartered in Phoenix, Maryland, used 500 explosives to structure these into a large pile of fragments.
“These are impressive structures: Unit 1 is 120 feet x 100 feet x 200 feet tall, while Unit 2 is more sturdy, 120 feet x 120 feet x 220 feet tall,” NorthStar Project Manager Matt Banta said. "In less than 10 seconds, they were on the ground and our real work could begin. All the materials in places like this are the strongest. Therefore, although we removed the ordinary catwalk and some lightweight exterior walls, But all the internal materials are very strong."
It is no exaggeration to say that Banta cited beams that suspend the boiler. These beams are 12 feet high and have 3 inches of steel between the web and the flange. In addition, the steam lines running through the entire structure are several inches thick, and the wall thickness of the boiler drum is 6 to 7 inches.
Facing a pair of 60-foot-tall steel piles—one from a previous boiler room—NorthStar began the cumbersome process of turning that compressed, oversized piece of debris into manageable, transportable waste. To achieve this goal, Banta and his team purchased a pair of mobile scissors from Superior Genesis Attachments in Wisconsin. These scissors were purchased through the Linder Industrial Machinery branch in Ocala, Florida, in Plante, Florida. city.
"We installed the Genesis GXP 660R MAXX accessory on the 800 series chain belt, which is an absolute demonstration machine for us," explained Banta. "We have this situation for most upstream materials, and then [we] cooperated with Komatsu PC490LC running Genesis GXP 990R MAXX. We still need to torch a large amount of material, the reason is simple, because there is no shearing machine to process today Some of this steel-a large part of it is plate. But the cutting ability of the 990 really impressed us. Together, these two accessories provide us with some excellent production."
Banta pointed out that the scissors installed on the excavator helped to effectively dispose of the huge boiler house garbage dump. Using the Genesis shears, his operator can reach up and down the material, cut it into manageable sizes, and stack it for loading. If they encounter material that exceeds the capacity of the shears, they only need to put it aside for later processing by the burner. Through this process, progress has continued unabated.
Although they may be impressive, the Crystal River project is more than just these two boiler buildings. At the time of writing, NorthStar still has a to-do list that includes a demonstration of a large two-story pump house and an oil depot on the south side of the site. Previously, the company used scissors to process a series of storage tanks: two of which were 240 feet in diameter and 50 feet in height, and one was 200 feet in diameter and 50 feet in height. An identical water tank, which still contains water used by Polaris for dust removal and fire fighting, will be one of the last structures to be dismantled.
"We cut the tank from the top to about 20 feet above the ground, at which point the material became very thick-within 1.5 inches and more," Banta said. "So, we would grab the internal pillars, put them down, cut off the tank cover, put the wall to a certain point, and then cut the wall into manageable parts. By doing this, we were able to complete it in about two weeks. Processing and shipping of a tank."
Recently, a pair of large tanks that did not use mobile scissors were processed in South Florida, and NorthStar had the opportunity to compare the workload with and without hydraulic attachments. According to Banta, the contrast is very obvious.
"In another case, we have to develop a well-designed plan in which we connect cables to each post and then cut off the collar," he said. "Then we would use the machine to pull the cables and trip the roof-this alone would take about two weeks. Then, after the lid was put on, we still had two weeks to remove the wall. So, the process It's easy to use scissors twice as much - and it's more labor intensive."
NorthStar does not need to reduce the material to the prepared size, but only needs to reduce it enough to accommodate the truck fleet serving the project. Banta said they have to load 12 to 20 trucks a day—each truck has a maximum load of 80,000 pounds, including the weight of the truck.
"We actually bought and installed a scale on site to ensure that no one was overweight before heading to the scrapyard," he said. "If they exceed or fall below, for that matter, we will send them around to find or add some materials. Maximizing each load with a total weight of 75,000 to 80,000 pounds means we have to carry 35,000 to 40,000 pounds per truck , And this is a steady stream of trucks traveling in both directions."
Even the loading aspect of this work is a challenge for NorthStar. Banta said that in some cases, they had to reduce the size of the steam pipes so that the grab or thumb bucket could handle them. Because larger beams weigh thousands of pounds per foot, even a length of 5 feet will push the machine to the limit of picking up and putting it into a truck.
“From the scale and materials of this project, we have so far transported more than 23,000 tons of steel by truck to a scrapyard in Tampa, with a round trip time of 3 hours,” he said. "We estimate that when the work is over, the total output will be in the 32,000 tons range. This is some serious tonnage."
Near the completion of two-thirds of the project, NorthStar's work also included the demolition of seven buildings, one of which was an 80-foot-high and 300-foot-long turbine hall, an ash silo, and a dust collector. The pump room and storage tank are still to be demonstrated, as is the transfer bridge that was once used to transport coal to the boiler. Perhaps the most striking aspect of this work is the implosion of two 500-foot-high chimneys in the factory.
"We plan to explode those in November," Banta said. “Due to the limited space on the site, we cannot transport them the way we want, and some of them will eventually enter the canal. On the contrary, when they come down, we will cross them. Their demolition will definitely give fishermen and fishers in the area. Other rowers incurred losses, and they used these chimneys as navigational landmarks."
Before they enter the final site grading aspect of the project, NorthStar must also process all large-diameter underground pipes that run through the entire site. Banta said the contract and the high groundwater levels in the area determined their approach.
"In addition to the discharge pipe from the turbine hall to the condenser and to the water, we must also cover the discharge pipe," he said. "Those are concrete pipes with a diameter of 5 feet, buried a few feet below the surface. Our contract is only 2 feet underground, and stipulates that if we leave these pipes intact underground, they must be filled . So we can choose to go 10 feet deep, break the pipes and remove them, keep pumping water, or just fill them up. We chose the latter and fill them with soil cement slurry."
He added that the work of the pump room and the remaining water tanks may take four to five weeks, and the shear strength is high. He pointed out that the company's scissors maintenance system is almost pious due to the very strong materials of the entire site.
"These tools run almost continuously, and we are here every day of the week," Banta said. “So, every two to three weeks, we rotate the blades to get the best performance and maintain production speed. Likewise, because they are often abused, we always order new blades at the same time as additional piercing tips. So far. , The only real free time we use scissors is when they perform blade rotation or replacement, so this level of preparation has paid off. In large-scale industrial work like this, you really can’t do without a good mobile shearing machine. We feel we have some of the best in Genesis."
At the time of writing, NorthStar expects to remove all steel from the Crystal River site by the end of October and fully wrap it at the site by the fall of 2022.
This article was originally published in the November and December issue of Construction and Demolition Recycling. Larry Trojak is the owner and president of Trojak Communications, a marketing communications and content creation expert based in Twin Cities. You can contact him at trojakcom@gmail.com.
The timetable for the demolition of the Aloha Stadium near Honolulu points to next year.
According to reports, a Hawaii State Department has issued a request for bidders to redevelop the property at the current Aloha Stadium near Honolulu, Hawaii.
An October report from the Associated Press stated that the demolition process of this 50,000-seat stadium may begin in the fall of 2022, and the stadium will be used primarily for the University of Hawaii football game by the end of 2020.
The college football team moved into a smaller stadium on the university campus, which means that approximately 100 acres are being planned for integrated development of residential, commercial and hotel industries.
According to the Associated Press, Hawaii’s Department of Accounting and General Services is overseeing the bidding and procurement process of developers interested in the property.
The 46-year-old stadium had to be demolished before the reconstruction began. According to the Associated Press, the stadium was closed after it was "declared a ban on entry" for structural safety reasons.
Last year, it was reported that Hawaii’s proposed legislation was not conducive to the demolition process due to landfill space constraints. However, many stadium projects have double-digit recycling rates because concrete and steel are their main materials.
According to the 2018 corrosion assessment, the Aloha Stadium was built with a material called "weathering steel", which may have played a role in its early demise.
This report and other reports seem to indicate that steel is corroded in the heavy saltwater environment of Hawaii, and that traditional concrete stadiums (rebars surrounded by concrete) may provide a longer service life.
At the "Waste Today" corporate growth conference, analyst Michael E. Hoffman discussed in depth how macroeconomic factors affect the waste industry.
From the devastation caused by COVID-19 to the new leadership in Washington, the U.S. economy has undergone major changes in the past year and a half. Although many industries have learned to adapt to the so-called "new normal," challenges such as supply chain disruption and inflation have brought unprecedented setbacks to daily operations.
At the "Waste Today" Corporate Growth Conference held in Chicago on November 4th, industry analyst Michael E. Hoffman explained how these macroeconomic factors translate into waste and environmental services The specific impact of the industry.
The U.S. inflation rate recently hit a 30-year high, with the Consumer Price Index (CPI) rising 6.2% year-on-year in October. Although these prices are expected to continue to rise as demand for core commodities increases, Hoffman is optimistic about the solid waste industry’s ability to overcome rising costs.
"So, the current state of garbage [actually] is very good. Is there inflation in the market? Absolutely. Can the industry set prices through inflation? Absolutely," Hoffman said. "I think garbage can be priced by inflation. This is about belief as an operator, not [whether] you can do it. In fact, [we have] seen the third quarter earnings season that is happening. Even Where it seems to be less effective, it is clearly happening. [The company] just needs to speed up."
Considering the solid waste industry’s affinity for inflation, Hoffman said that this supports better core and reported prices, and it is expected that sales in FY2022 (FY22) will benefit more from inflation instead of Increased costs. In addition, the general overall CPI is now expected to increase by an average of 4.4% in FY21, compared with the original forecast of 2%.
In terms of sales volume, Hoffman said that throughout the third quarter, the industry’s reported numbers have been better than expected.
The initial FY21 guidance forecasts sales between 0.5% and 2.5%. However, it is reported that in the first half of 2021 (1H21), the trend of trading volume is 135 basis points (bp) better than the average trading volume growth forecast for the February fiscal year by 1.4%.
Although the pace of 2H21 is expected to slow down, Hoffman believes that it will still maintain a long-term industry growth rate of more than 1%.
"Because of the weirdness of last year, it's a little bit pointless to compare year by year, but you will see patterns," he said. "The first quarter was negative, the second quarter was very high, and then everyone thought we would enter a certain normal somewhere between [Q1] and [Q2], and we were better than that in the end. Why? Because we Everyone has found opportunities to get in, get off, and go somewhere, and almost every time we do this, we create garbage incidents."
Hoffman pointed out that these quantitative trends are supported by the formation of new businesses and an above-average merger and acquisition (M&A) cycle.
"There is clear evidence of the formation of new businesses. With the formation of new businesses, existing commercial businesses have begun to see positive service intervals. Therefore, when you look at it from a reporting point of view, both are based on volume. Measured," Hoffman said.
As for mergers and acquisitions, Hoffman said that this is the strongest cycle he has ever seen. "If everyone shuts down everything they think can be shut down, I think we will spend $3 billion (by) listed companies this year. The 2019 high is $2.7 billion. Therefore, we can see a 10% increase, which This is a four-year-old above-average trend following the acceleration of tax changes in 2017."
One of the main topics of the Hoffman Economic Update Conference was how supply chain disruptions affect solid waste operations.
In addressing the current shortage of microcontrollers, Hoffman said that the ability to meet demand is expected to catch up until 2H22, and it will take 2H23 to restore the backlog of demand to "normal."
He said: "How did we come? Two things happened. We all work from home, so buying computers in large quantities is an incremental pressure on the demand for chips. Then two events happened. As the economy began to recover and cars Production began to resume, and this demand and new sources of demand still exist, which puts pressure on the microcontroller.
"[We also] had a fire in Japan that took away 5% of the world's manufacturing capacity, and then in February, a storm in Texas destroyed chip manufacturing in that market for about three weeks," he added road.
In view of this situation, Hoffman encourages personnel involved in waste transportation and handling equipment to understand the current waiting time.
"It will be sold out next year-one year... buy a truck. You should now consider ordering products for 2023, otherwise you will not be able to get trucks or any other ordered products with microcontrollers," he said.